open-nomad/command/helper_stats.go
2018-11-16 10:26:32 -05:00

87 lines
2 KiB
Go

package command
import (
"fmt"
"github.com/hashicorp/nomad/api"
"github.com/mitchellh/cli"
)
func deviceQualifiedID(vendor, typ, name, id string) string {
p := vendor
if typ != "" {
p += "/" + typ
}
if name != "" {
p += "/" + name
}
return p + "[" + id + "]"
}
func buildDeviceStatsSummaryMap(deviceGroupStats []*api.DeviceGroupStats) map[string]*api.StatValue {
r := map[string]*api.StatValue{}
for _, dg := range deviceGroupStats {
for id, stats := range dg.InstanceStats {
k := deviceQualifiedID(dg.Vendor, dg.Type, dg.Name, id)
r[k] = stats.Summary
}
}
return r
}
func formatDeviceStats(stat *api.StatObject, keyPrefix string, result *[]string) {
if keyPrefix != "" {
keyPrefix = keyPrefix + "."
}
for n, stat := range stat.Attributes {
*result = append(*result, fmt.Sprintf("%s%s|%s", keyPrefix, n, stat))
}
for k, o := range stat.Nested {
formatDeviceStats(o, keyPrefix+k, result)
}
}
// getDeviceResources returns a list of devices and their statistics summary
func getDeviceResourcesForNode(deviceGroupStats []*api.DeviceGroupStats, node *api.Node) []string {
statsSummaryMap := buildDeviceStatsSummaryMap(deviceGroupStats)
devices := []string{}
for _, dg := range node.NodeResources.Devices {
for _, inst := range dg.Instances {
id := deviceQualifiedID(dg.Vendor, dg.Type, dg.Name, inst.ID)
statStr := ""
if stats, ok := statsSummaryMap[id]; ok && stats != nil {
statStr = stats.String()
}
devices = append(devices, fmt.Sprintf("%v|%v", id, statStr))
}
}
return devices
}
func printDeviceStats(ui cli.Ui, deviceGroupStats []*api.DeviceGroupStats) {
isFirst := true
for _, dg := range deviceGroupStats {
for id, dinst := range dg.InstanceStats {
if !isFirst {
ui.Output("\n")
}
isFirst = false
qid := deviceQualifiedID(dg.Vendor, dg.Type, dg.Name, id)
attrs := make([]string, 1, len(dinst.Stats.Attributes)+1)
attrs[0] = fmt.Sprintf("Device|%s", qid)
formatDeviceStats(dinst.Stats, "", &attrs)
ui.Output(formatKV(attrs))
}
}
}